S
M
T
W
T
F
S
30
75°
65°
31
85°
68°
1
82°
82°
2
93°
93°
3
77°
70°
4
74°
66°
5
79°
60°
6
78°
57°
7
79°
53°
8
83°
54°
9
76°
68°
10
70°
70°
11
77°
53°
12
82°
58°
13
77°
53°
14
71°
55°
15
82°
68°
16
73°
63°
17
77°
56°
18
77°
58°
19
81°
62°
20
76°
57°
21
70°
50°
22
71°
54°
23
71°
49°
24
73°
53°
25
74°
50°
26
73°
51°
27
77°
52°
28
76°
52°
29
75°
52°
30
72°
51°
1
74°
51°
2
75°
49°
3
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in River Raisin
River Raisin's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 49° and 68°. The average high for September is 75° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in River Raisin. See also: October | November | December.
